Checkpoint and restore in Kubernetes

In 2015, an issue was opened against Kubernetes about supporting container migration. The problem description mentioned Checkpoint/Restore In Userspace (CRIU) on Linux as a possible basis for a solution. Around the same time, I started to look into how to integrate CRIU into the container stack. Checkpoint and restore in the container stack The basic steps to migrate running containers from one node to another—which could also be called stateful migration—are to checkpoint the container on the s...

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